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Table 2 Relationship between in-utero ELF-MF exposure and birth weight (grams) using GLM

From: Prenatal exposure to extremely low frequency magnetic field and its impact on fetal growth

MF measurements All Boys Girls
N \( \overline{x}\pm \mathrm{s} \) P P# N \( \overline{x}\pm \mathrm{s} \) P P# N \( \overline{x}\pm \mathrm{s} \) P P#
TWA
 Below median 63 3547.7 ± 440.5 0.02 0.02 29 3471.3 ± 427.7 0.89 0.75 34 3612.9 ± 447.0 < 0.01 < 0.01
 Above median 65 3374.7 ± 393.0    35 3486.8 ± 425.7    30 3244.0 ± 309.2   
P50
 Below median 55 3548.0 ± 455.0 0.04 0.01 26 3456.1 ± 428.8 0.71 0.47 29 3630.3 ± 469.3 < 0.01 < 0.01
 bove median 73 3393.5 ± 389.9    38 3496.0 ± 424.5    35 3282.2 ± 318.5   
P75
 Below median 62 3538.2 ± 446.8 0.04 0.02 26 3461.2 ± 451.5 0.77 0.48 36 3593.8 ± 441.3 < 0.01 < 0.01
 Above median 66 3386.3 ± 391.4    38 3492.6 ± 408.6    28 3242.1 ± 320.4   
  1. #Adjusting for family income, gestational age, parity, parental age at childbirth, parental BMI before pregnancy, and maternal passive smoking during pregnancy